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Home >> Mercedes Benz >> 2011 >> GL350 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electrical System, Equipment & Instructions - 164 Chassis - 1 Of 4 >> Basic Knowledge >> Engine diagnosis indicator lamp - Description of components - GF54.30-P-5010BK

Engine diagnosis indicator lamp - Description of components - GF54.30-P-5010BK

MODEL 219 with ENGINE 113.967 except CODE (494) USA version 

MODEL 164.1 with ENGINE 113.964 except CODE (494) USA version up to Model Year 8 

MODEL 251 with ENGINE 113.971 except CODE (494) USA version up to Model Year 8 

Shows model 219 

Fig 1: Identifying Engine Diagnosis Indicator Lamp - Shown On Model 219
G10117031Courtesy of MERCEDES-BENZ USA

Location 

The engine diagnosis indicator lamp (engine symbol) is located in the instrument cluster.

Task 

The engine diagnosis indicator lamp alerts the driver to emissions-relevant malfunctions.

Function 

The indicator lamp is actuated by the instrument cluster via a CAN message from the engine control unit. As a check of the function it lights up when the ignition is ON and for approx. 1 second as of an engine speed of approx. 500 RPM. The indicator lamp goes out if there is no fault present.